'Crammer' definitions:

Definition of 'crammer'

From: WordNet
noun
A student who crams
noun
A teacher who is paid to cram students for examinations
noun
A special school where students are crammed
noun
A textbook designed for cramming

Definition of 'Crammer'

From: GCIDE
  • Crammer \Cram"mer\ (kr[a^]m"m[~e]r), n. One who crams; esp., one who prepares a pupil hastily for an examination, or a pupil who is thus prepared. --Dickens. [1913 Webster] Cramoisie